According to various codec lists, AURA is a YUV 4:1:1 codec while AUR2 is YUV 4:2:2. The payload of an AURA frame begins with the 6 ASCII bytes 'YUV411'.

Auravision employs the same packing scheme as Creative YUV with the only difference: bytes 16-31 are Y predictor values and bytes 32-47 are predictor values for both U and V. Actual data is packed identically.

Auravision2 uses the same predictor value table at bytes 16-31 for all planes but packed pixel data still starts at byte 48. It's packed in the following order: